A212209 - cp's OEIS frontend

A212209 Square array A(n,k), n>=1, k>=1, read by antidiagonals: A(n,k) is the number of n-colorings of the square diagonal grid graph DG_(k,k).

n	a(n)
1	1
2	0
3	2
4	0
5	0
6	3
7	0
8	0
9	0
10	4
11	0
12	0
13	0
14	24
15	5
16	0
17	0
18	0
19	72
20	120
21	6
22	0
23	0
24	0
25	168
26	6720
27	360
28	7
29	0
30	0
31	0
32	360
33	935040
34	126360
35	840
36	8
37	0
38	0
39	0
40	744
41	325061760
42	265035240
43	1128960
44	1680
45	9
46	0
47	0
48	0
49	1512
50	283192323840
51	3322711053720
52	17160407040
53	6510000
54	3024
55	10

[1, 0, 2, 0, 0, 3, 0, 0, 0, 4, 0, 0, 0, 24, 5, 0, 0, 0, 72, 120, 6, 0, 0, 0, 168, 6720, 360, 7, 0, 0, 0, 360, 935040, 126360, 840, 8, 0, 0, 0, 744, 325061760, 265035240, 1128960, 1680, 9, 0, 0, 0, 1512, 283192323840, 3322711053720, 17160407040, 6510000, 3024, 10]

cp's OEIS Frontend

A212209 Square array A(n,k), n>=1, k>=1, read by antidiagonals: A(n,k) is the number of n-colorings of the square diagonal grid graph DG_(k,k).

Table of values

List of values